University of Colorado
University of Colorado: Ph Et Interactive Simulations: Molecules and Light
Do you ever wonder how a greenhouse gas affects the climate, or why the ozone layer is important? Use the sim to explore how light interacts with molecules in our atmosphere.
Frostburg State University
University of Frostburg: How Nonpolar Molecules Dissolve
This site from the University of Frostburg provides an explanation of the process by which nonpolar molecules dissolve in water.
CK-12 Foundation
Ck 12: Gas Properties
[Free Registration/Login may be required to access all resource tools.] The following online tutorial describes how a gas can be compressed and identifies three factors that affect gas pressure. Students will describe the effects...
American Chemical Society
Middle School Chemistry: Chapter 5: The Water Molecule and Dissolving
Nine exemplary chemistry lessons about the water molecule and dissolving complete with handouts and animations.
State University of New York
State University of New York: Kinetic Molecular Theory
This module simulates the behavior of a small number of gas molecules in a small box.
University of Florida
Chem. 2041 Lecture Notes: The Forces Between Molecules
A discussion of the variety of forces which hold molecules together. The relative strengths of these forces for the various states of matter is discussed. The effect of such forces on the boiling points and other phase change...
Concord Consortium
Concord Consortium: Gas Pressure in a Syringe
Explore why it is difficult to pull back on a capped syringe and why the plunger moves back in when you let go.
Other
Virtual Chembook: Density Applications With Gases
DENSITY is a physical property of matter, as each element and compound has a unique density associated with it. Density defined in a qualitative manner as the measure of the relative "heaviness" of objects with a constant volume. For...
University Corporation for Atmospheric Research
Ucar: Greenhouse Gases Sorting Game
Sort these molecules as greenhouse gases, borderline cases or not greenhouse gases.
New York University
Nyu: Math Mol: Motion of Molecules
Examine the link between molecular motion and energy. Observe the movement of a molecule at room temperature. Learn about the different types of molecular motion.
CK-12 Foundation
Ck 12: Plix Series: Gas Mixture and Molecular Speeds
[Free Registration/Login Required] Hike to the top of Mt. Everest and observe what happens to the amount of molecules pushing down on the surface of the Earth. After the activity, answer one challenge question about the topic.
Khan Academy
Khan Academy: What Is the Maxwell Boltzmann Distribution?
In a gas, there are lots of molecules traveling at lots of different speeds. Here's a framework for thinking about that.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: States of Matter: Basics
After watching this simulation, students will be able to describe characteristics of the three states of matter. They will watch as atoms and molecules change between solid, liquid and gas phases.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Gay Lussac's Law
An interactive animation depicting the relationship between gas temperature and pressure. See what happens to the pressure of the gas molecules when the temperature is either increased or decreased.
Physics Aviary
Physics Aviary: Practice Problems: Temperature and Kinetic Energy Problem
This program asks students to determine the average KE of a gas molecule in a sample and then find the temperature of the particles that make up the sample based on the rms speed of the particles.
Physics Aviary
Physics Aviary: Practice Problems: Average Kinetic Energy and Rms Speed Problem
This program asks students to determine the average KE of a gas molecule in a sample and then find the rms speed of the particles that make up the sample.
Curated OER
Science Kids: Science Images: 3 D Carbon Monoxide Molecule
This is a computer generated 3D image of a carbon monoxide molecule. Carbon monoxide contains one carbon atom and one oxygen atom. It is an odorless gas that is highly toxic to humans.
Concord Consortium
Concord Consortium: Molecular Workbench Showcase: Chemistry, States of Matter
See how gas, liquid, and solid molecules react to external pressure in this simulation. Also see a model of intermolecular motion through elliptical particles.
Science Education Resource Center at Carleton College
Serc: Take a Deep Breath on the Appalachian Trail
A lesson plan that includes a PowerPoint learning module for students. They will examine spreadsheet data on air quality in Great Smoky National Parks, and solve problems using ratio and proportion. The exercises will help them to...
Purdue University
Purdue Univ: Gases, Liquids, and Solids
This site has a brief description of the differences in particles in a gas, liquid, and solid. Animated microscopic pictures demonstrate the molecular movement in each state. Information is then summarized in an easy-to-read chart.
Science Education Resource Center at Carleton College
Serc: Exploring States of Matter Gases
In this series of chemistry labs, students learn about the three states of matter by observing how molecules contract or expand as they change state.
Sophia Learning
Sophia: Kinetic Energy and States of Matter: Lesson 1
This lesson will compare the relative kinetic energy possessed by molecules in different states. It is 1 of 2 in the series titled "Kinetic Energy and States of Matter."
CK-12 Foundation
Ck 12: Chemistry Simulation: Speedy Smells
[Free Registration/Login Required] Explore how the mass of a molecule affects how quickly a smell will reach our noses.
Museum of Science
The Atom's Family: Phases of Matter
Help the Phantom choose a material and observe the changes at different temperatures in the molecule chamber. What happens to the elements or molecules as the temperature changes?